論文

査読有り
2021年9月7日

Quantum teleportation of physical qubits into logical code spaces

Proceedings of the National Academy of Sciences
  • Yi-Han Luo
  • ,
  • Ming-Cheng Chen
  • ,
  • Manuel Erhard
  • ,
  • Han-Sen Zhong
  • ,
  • Dian Wu
  • ,
  • Hao-Yang Tang
  • ,
  • Qi Zhao
  • ,
  • Xi-Lin Wang
  • ,
  • Keisuke Fujii
  • ,
  • Li Li
  • ,
  • Nai-Le Liu
  • ,
  • Kae Nemoto
  • ,
  • William J. Munro
  • ,
  • Chao-Yang Lu
  • ,
  • Anton Zeilinger
  • ,
  • Jian-Wei Pan

118
36
開始ページ
e2026250118-1
終了ページ
e2026250118-5
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1073/pnas.2026250118
出版者・発行元
Proceedings of the National Academy of Sciences

Quantum error correction is an essential tool for reliably performing tasks for processing quantum information on a large scale. However, integration into quantum circuits to achieve these tasks is problematic when one realizes that nontransverse operations, which are essential for universal quantum computation, lead to the spread of errors. Quantum gate teleportation has been proposed as an elegant solution for this. Here, one replaces these fragile, nontransverse inline gates with the generation of specific, highly entangled offline resource states that can be teleported into the circuit to implement the nontransverse gate. As the first important step, we create a maximally entangled state between a physical and an error-correctable logical qubit and use it as a teleportation resource. We then demonstrate the teleportation of quantum information encoded on the physical qubit into the error-corrected logical qubit with fidelities up to 0.786. Our scheme can be designed to be fully fault tolerant so that it can be used in future large-scale quantum technologies.

リンク情報
DOI
https://doi.org/10.1073/pnas.2026250118
共同研究・競争的資金等の研究課題
アーキテクチャを中心とした量子ソフトウエアの理論と実践
URL
https://syndication.highwire.org/content/doi/10.1073/pnas.2026250118
ID情報
  • DOI : 10.1073/pnas.2026250118
  • ISSN : 0027-8424
  • eISSN : 1091-6490

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